Self hosted runners: update image from 22h2 to 23h2

Version 23h2 was released on October 31st, 2023. Let's update to it,
so that the runners benefit from the latest improvements to Windows 11
ARM64.

Signed-off-by: Dennis Ameling <[email protected]>

Author: dennisameling

.github/workflows/create-azure-self-hosted-runners.yml

@@ -39,7 +39,7 @@ env:
   # For more information, see https://learn.microsoft.com/en-us/azure/virtual-machines/dplsv5-dpldsv5-series (which
   # unfortunately does not have more information about price by region)
   AZURE_VM_REGION: westus2
-  AZURE_VM_IMAGE: win11-22h2-ent
+  AZURE_VM_IMAGE: win11-23h2-ent
 
 # The following secrets are required for this workflow to run:
 # AZURE_CREDENTIALS - Credentials for the Azure CLI. It's recommended to set up a resource